91 lines
2.5 KiB
Solidity
91 lines
2.5 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.20;
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import { IERC20, SafeERC20 } from '../Classic/libraries/SafeERC20.sol';
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import { ITornadoV2 } from './interfaces/ITornadoV2.sol';
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contract V2Bridge {
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using SafeERC20 for IERC20;
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ITornadoV2 public immutable TornadoV2;
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address public immutable tornadoProxyLight;
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uint256 public immutable id;
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constructor(ITornadoV2 _tornadoV2, uint256 _id, address _proxyLight) {
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TornadoV2 = _tornadoV2;
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id = _id;
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tornadoProxyLight = _proxyLight;
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IERC20 _token = IERC20(TornadoV2.token(id));
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_token.approve(address(TornadoV2), type(uint256).max);
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}
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function deposit(bytes32 _commitment) external payable {
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uint256[] memory _ids = new uint256[](1);
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bytes32[] memory _commitments = new bytes32[](1);
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_ids[0] = id;
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_commitments[0] = _commitment;
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IERC20 _token = IERC20(token());
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uint256 _denomination = denomination();
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if (address(_token) != TornadoV2.weth()) {
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if (msg.sender == tornadoProxyLight) {
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_token.safeTransferFrom(tx.origin, address(this), _denomination);
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} else {
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_token.safeTransferFrom(msg.sender, address(this), _denomination);
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}
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}
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TornadoV2.deposit{ value: msg.value }(_ids, _commitments, '');
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}
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function withdraw(
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bytes calldata _proof,
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bytes32 _root,
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bytes32 _nullifierHash,
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address payable _recipient,
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address payable _relayer,
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uint256 _fee,
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uint256 _refund
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) external payable {
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TornadoV2.withdraw{ value: msg.value }(
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id,
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_proof,
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_root,
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_nullifierHash,
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_recipient,
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_relayer,
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_fee,
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_refund,
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''
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);
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}
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function nextIndex() external view returns (uint32) {
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return TornadoV2.nextIndex(id);
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}
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function getLastRoot() external view returns (bytes32) {
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return TornadoV2.getLastRoot(id);
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}
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function token() public view returns (address) {
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return TornadoV2.token(id);
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}
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function denomination() public view returns (uint256) {
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return TornadoV2.denomination(id);
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}
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function roots(uint256 index) external view returns (bytes32) {
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return TornadoV2.roots(id, index);
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}
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function isSpent(bytes32 _nullifierHash) external view returns (bool) {
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return TornadoV2.isSpent(_nullifierHash);
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}
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} |